Fixed most of the editor performance

src/Artemis.UI/ViewModels/Controls/ProfileEditor/ProfileEditorViewModel.cs

@@ -31,6 +31,8 @@ namespace Artemis.UI.ViewModels.Controls.ProfileEditor
 
             _timer = new Timer(1000.0 / 15) {AutoReset = true};
             _timer.Elapsed += UpdateLeds;
+            // Remove
+            _timer.Start();
         }
 
         public ObservableCollection<ProfileDeviceViewModel> Devices { get; set; }

src/Artemis.UI/ViewModels/Controls/ProfileEditor/ProfileLedViewModel.cs

@@ -4,6 +4,7 @@ using System.Windows.Media;
 using Artemis.UI.Extensions;
 using RGB.NET.Core;
 using Stylet;
+using Color = System.Windows.Media.Color;
 
 namespace Artemis.UI.ViewModels.Controls.ProfileEditor
 {
@@ -13,12 +14,7 @@ namespace Artemis.UI.ViewModels.Controls.ProfileEditor
         {
             Led = led;
 
-            Execute.OnUIThread(() =>
+            Execute.OnUIThread(() => { CreateLedGeometry(); });
-            {
-                CreateLedGeometry();
-                FillBrush = new SolidColorBrush { Opacity = 0.25 };
-                BorderBrush = new SolidColorBrush();
-            });
         }
 
         public Led Led { get; }
@@ -29,9 +25,8 @@ namespace Artemis.UI.ViewModels.Controls.ProfileEditor
         public double Height { get; private set; }
 
         public Geometry DisplayGeometry { get; private set; }
-        public SolidColorBrush FillBrush { get; set; }
+        public Geometry StrokeGeometry { get; private set; }
-        public SolidColorBrush BorderBrush { get; set; }
+        public Color DisplayColor { get; private set; }
-
 
         public string Tooltip => $"{Led.Id} - {Led.LedRectangle}";
 
@@ -69,6 +64,12 @@ namespace Artemis.UI.ViewModels.Controls.ProfileEditor
                 GeometryCombineMode.Union,
                 new ScaleTransform(Led.LedRectangle.Width, Led.LedRectangle.Height)
             );
+
+            // Stroke geometry is the display geometry excluding the inner geometry
+            StrokeGeometry = DisplayGeometry.GetWidenedPathGeometry(new Pen(null, Led.Shape == Shape.Rectangle ? 2.0 : 1.0), 0.1, ToleranceType.Absolute);
+            
+            DisplayGeometry.Freeze();
+            StrokeGeometry.Freeze();
         }
 
         public void Update()
@@ -76,11 +77,8 @@ namespace Artemis.UI.ViewModels.Controls.ProfileEditor
             var newColor = Led.Color.ToMediaColor();
             Execute.OnUIThread(() =>
             {
-                if (!FillBrush.Color.Equals(newColor))
+                if (!DisplayColor.Equals(newColor))
-                {
+                    DisplayColor = newColor;
-                    FillBrush.Color = newColor;
-                    BorderBrush.Color = newColor;
-                }
             });
 
             if (Math.Abs(Led.LedRectangle.X - X) > 0.1)

src/Artemis.UI/Views/Controls/ProfileEditor/ProfileLedView.xaml

@@ -10,19 +10,23 @@
     d:DesignHeight="25" d:DesignWidth="25"
     ToolTip="{Binding Tooltip}">
     <UserControl.Resources>
-        <Converters:NullToImageConverter x:Key="NullToImageConverter"/>
+        <Converters:NullToImageConverter x:Key="NullToImageConverter" />
     </UserControl.Resources>
-    <Grid Width="{Binding Width}" Height="{Binding Height}">
+    <Grid Width="{Binding Width}" Height="{Binding Height}" ClipToBounds="False">
         <Grid.Background>
             <ImageBrush AlignmentX="Center" AlignmentY="Center" Stretch="Fill" ImageSource="{Binding Led.Image, Converter={StaticResource NullToImageConverter}}" />
         </Grid.Background>
 
-        <Path Data="{Binding DisplayGeometry}"
+        <Path Data="{Binding DisplayGeometry}" ClipToBounds="False">
-              Clip="{Binding Data, RelativeSource={RelativeSource Self}}"
+            <Path.Fill>
-              ClipToBounds="False"
+                <SolidColorBrush Color="{Binding DisplayColor}" Opacity="0.25" />
-              Fill="{Binding FillBrush}"
+            </Path.Fill>
-              Stroke="{Binding BorderBrush}"
-              StrokeThickness="2">
         </Path>
+        <Path Data="{Binding StrokeGeometry}" ClipToBounds="False">
+            <Path.Fill>
+                <SolidColorBrush Color="{Binding DisplayColor}" />
+            </Path.Fill>
+        </Path>
+
     </Grid>
 </UserControl>